Prices were available within the past 7 days and start at AU$631 for one-way flights and AU$996 for return, for the period specified. Prices and availability are subject to change.
Find the cheapest month to fly from Seoul (ICN) to Washington (IAD)
February is typically the cheapest month to flyFebruary is typically the cheapest month to fly
From AU$690 - AU$1,634 per traveller.
Frequently Asked Questions
How much does a flight from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.) cost?
You can find one-way and return flights from ICN to IAD with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when ICN to IAD ticket fares go up or down.
What is the cheapest month to fly from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
November is typically the cheapest month to fly from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.), with average return fares around AU$1202. November often sees lower prices as it falls outside of peak holiday travel seasons, when demand tends to decrease. Other cheap months to fly from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.) include February and October.
Which airlines fly direct from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
There are 2 airlines offering direct flights from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.). Here are the carriers:
* Korean Air operates 7 direct flights from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.) every week. * Air Premia operates 7 direct flights from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.) every week.
What is the cheapest airline that flies from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
Air Premia is one of the cheapest airlines offering nonstop return flights from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.), with tickets starting from around AU$1704 for flights that can be booked for departure within the next year. Ethiopian Airlines offers one of the cheapest connecting return flights from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.) with a layover in Bole Intl. (ADD), starting from around AU$1843. These prices are per adult for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
To find a cheap flight from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The best airline to fly with from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.) will differ from traveler to traveler. If you like to fly early, Korean Air offers early morning flights. If price is the most important factor, Air Premia typically offers the lowest fares. Air Canada offers the most daily flights from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The best time to fly from Seoul (ICN) to Washington, DC (IAD) is typically November or February. These months offer a great balance, with return flight prices around AU$1202. While these might be the cheapest months, you'll still find plenty of flight options. If you're flexible, these months give you both affordable fares and excellent flight schedules to work with.
How many flights per day from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
You'll find approximately 2 nonstop flights per day from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.). For even more choices, look at flights that include layovers, as there are around 76 connecting flights per day. Some common connection points include Narita Intl., Vancouver Intl., and Pearson Intl.
What is the earliest flight from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The earliest flight from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.) typically departs around 12:05 AM local time, operated by Ethiopian Airlines. This is a seasonal service, active in January. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
You'll typically find the most flights from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.) on a Monday, with around 40 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Delta, Korean Air, and Asiana Airlines.
What are the most popular departure times for flights from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The most popular departure times for flights from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.) are in the evening, from 6pm to 9pm. Many major carriers, including Delta, Air Canada and United, offer flights during this window. Many travellers prefer this time as it allows you to have a full day before your flight and arrive at your destination at a reasonable hour.
How long does it take to fly from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
A non-stop flight from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.) typically takes around 13 hours 48 minutes. This route covers a distance of approximately 11,175 kilometres. If you opt for a flight with one stop, your travel time will be longer, usually around 21 hours. Flights with two or more stops can take even longer, averaging about 24 hours 48 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your journey.
Can you fly business or first class from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
Yes, you can fly business class or first class between ICN and IAD.
Airlines that offer business class service on this route include:
* Turkish Airlines * Air France * Lufthansa * Etihad Airways * Asiana Airlines * Jeju Air * KLM * Korean Air * China Eastern Airlines * Air Canada * Emirates * Qatar Airways * Air China * Delta * China Airlines * EVA Airways
First class cabins are available on Korean Air and Emirates.
How do I earn miles on a Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight with Expedia?
It's easy to earn miles on a Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.
*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Washington, DC (IAD) from Seoul (ICN)?
If you're planning to travel to Washington from Incheon Intl. (ICN), you can fly directly into Washington Dulles Intl. (IAD). Some flights may connect through major hubs like Narita Intl. (NRT), Pearson Intl. (YYZ), or San Francisco Intl. (SFO) before reaching Washington. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.) at the last minute?
Typically, booking a last minute flight from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight and hotel package?
Securing a Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
If you booked your Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.
Travel information
Origin airport
Incheon Intl. Airport
Destination airport
Washington Dulles International Airport
Distance
11,173 km away
Airlines serving
Korean Air, Air Canada, Alaska Airlines, United, YP, Delta, EVA Airways, Asiana Airlines, American Airlines, Japan Airlines, Turkish Airlines, Lufthansa, Qatar Airways, Emirates, Etihad Airways, Air France, KLM, Air China, Ethiopian Airlines, Aeromexico, All Nippon Airways, China Airlines, Swiss International Air Lines, WestJet